Hair trimmer



FIG. 1 is a front perspective view of the present new design of a hair trimmer;

FIG. 2 is a rear perspective view of the FIG. 1 embodiment;

FIG. 3 is a left view of the FIG. 1 embodiment;

FIG. 4 is a rear view of the FIG. 1 embodiment.

FIG. 5 is front view of the FIG. 1 embodiment;

FIG. 6 is a top view of the FIG. 1 embodiment;

FIG. 7 is a bottom view of the FIG. 1 embodiment; and,

FIG. 8 is a right view of the FIG. 1 embodiment.

It should be noted that the broken lines showing the switch are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a hair trimmer, as shown and described. 